USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

Classification of Wetlands and Deepwater Habitats of the United States

Plates 33-36


GIF - Riverine System
Plate 33.--Classification: SYSTEM Riverine, SUBSYSTEM Lower Perennial, CLASS Emergent Wetland, SUBCLASS Nonpersistent, DOMINANCE TYPE Peltandra virginica-Pontederia cordata, WATER REGIME Semipermanently Flooded, WATER CHEMISTRY Fresh-Circumneutral, SOIL Mineral. This wetland lies in a bay of the Chicopee River. (Hampden County, Massachusetts; July 1970; Photo by R. C. Smardon)

GIF - Riverine System
Plate 34.--Two habitats are shown here. Classification of channel: SYSTEM Riverine, SUBSYSTEM Upper Perennial, CLASS Rock Bottom, SUBCLASS Bedrock, WATER REGIME Permanently Flooded, WATER CHEMISTRY Fresh. Classification of shore: SYSTEM Riverine, SUBSYSTEM Upper Perennial, CLASS Rocky Shore, SUBCLASS Bedrock, WATER REGIME Seasonally Flooded, WATER CHEMISTRY Fresh. (Penobscot County, Maine; October 1977; Photo by R. W. Tiner)

GIF - Riverine System
Plate 35.--Classification: SYSTEM Riverine, SUBSYSTEM Upper Perennial, CLASS Rock Bottom, SUBCLASS Rubble, WATER REGIME Permanently Flooded, WATER CHEMISTRY Fresh. Many of the boulders in this river exceed 1 m (3.3 ft) in diameter. (Matanuska-Susitna Borough, Alaska; June 1985; Photo by F. C. Golet)

GIF - Riverine System
Plate 36.--Classification: SYSTEM Riverine, SUBSYSTEM Upper Perennial, CLASS Unconsolidated Bottom, SUBCLASS Cobble-Gravel, WATER REGIME Permanently Flooded, WATER CHEMISTRY Fresh-Circumneutral. (Washington County, Rhode Island; July 1977; Photo by F. C. Golet)

Previous Section -- Plates 29-32
Return to Contents
Next Section -- Plates 37-40

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/wetlands/classwet/plate33.htm
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 06:57:16 EST
Sioux Falls, SD [sdww55]